Definition of "mako shark" []

• Either of two powerful mackerel sharks of the genus Isurus, having a large heavy body, a sharp nose and a nearly symmetrical tail, found in southern oceans. (noun)

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• "Or consider the mako shark that fed on the barracuda that fed on the fish that fed on the lugworms and tiny shrimplike crustaceans that dined on the tiny granular fragments of plastic that have been steadily accumulating in the environment over the past forty years."